# raise() Raises the receiver, causing program flow to jump to the local exception handler. ``` func raise() ``` ## Discussion When there are no exception handlers in the exception handler stack, unless the exception is raised during the posting of a notification, this method calls the uncaught exception handler, in which last-minute logging can be performed. The program then terminates, regardless of the actions taken by the uncaught exception handler. ## See Also [`+ raise:format:`](/documentation/Foundation/NSException/raise:format:) A convenience method that creates and raises an exception. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)